.dept_table{
    background-image: url(/Learning-extjs4.0/lesson/18/resources/img/dept_table.png) !important;
}
.dept_tree{
    background-image: url(/Learning-extjs4.0/lesson/18/resources/img/dept_tree.png) !important;
}
.table_remove{
	background-image: url(/Learning-extjs4.0/lesson/18/resources/img/table_remove.gif) !important;
}
.table_add{
	background-image: url(/Learning-extjs4.0/lesson/18/resources/img/table_add.png) !important;
}
.table_save{
	background-image: url(/Learning-extjs4.0/lesson/18/resources/img/tabel_save.png) !important;
}